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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Control System Self-Diagnostics - 5.7L) >> Diagnostic Tests >> DTC P0712: Transmission Fluid Temperature (TFT) Sensor Circuit Low Input ("Y" Body) >> Diagnostic Procedures

Diagnostic Procedures

WARNING: This page is about a different car, the 2000 Pontiac Firebird, 2000 Chevrolet Corvette, and 2000 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform On-Board Diagnostic (OBD) system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK . After performing OBD system check, go to next step.
  2. Turn ignition on, with engine off. Using scan tool, monitor TFT sensor display using ENGINE 3 DATA LIST. If TFT sensor value is greater than 302°F (150°C), go to step  4. If TFT sensor value is not greater than 302°F (150°C), go to next step.
  3. Using scan tool, review FREEZE FRAME and/or FAILURE RECORDS data for this DTC. Observe parameter. Turn ignition off for 15 seconds, then start engine. Operate vehicle within conditions for setting this DTC. If scan tool indicates that this DTC failed this ignition, go to next step. If scan tool does not indicate that this DTC failed this ignition, see DIAGNOSTIC AIDS .
  4. Disconnect TFT sensor harness connector. Using scan tool, observe TFT sensor reading. If reading is less than -22°F (-30°C), go to step  6. If reading is not less than -22°F (-30°C), go to next step.
  5. Turn ignition off. Disconnect PCM harness connector. Check TFT sensor signal circuit for short to ground. Repair as necessary. After repairs, go to step  8. If circuit is okay, go to step  7.
  6. Replace TFT sensor. After replacing sensor, go to step  8.
  7. Replace PCM. Program replacement PCM using required equipment. After replacing PCM, go to next step.
  8. Using scan tool, select DTC, CLEAR INFO. Start and warm engine to normal operating temperature. Select DTC, SPECIFIC, then enter this DTC. Operate vehicle within conditions for setting this DTC. If scan tool indicates that this test ran and passed, go to next step. If scan tool does not indicate that this test ran and passed, repeat step  2.
  9. Using scan tool, select CAPTURE INFO, REVIEW INFO function. If any undiagnosed DTCs are displayed, go to applicable DTC test. If no other DTCs are set, system is okay.
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